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Minor earthquake: M2.8 quake has struck near Esperanza in Puerto Rico



Earthquake location 18.0394S, -65.3981WA minor earthquake magnitude 2.8 (ml/mb) has struck on Friday, 9 kilometers (6 miles) from Esperanza in Puerto Rico. The epicenter of the earthquake was roughly 19 km (12 miles) below the earth’s surface. Global time and date of event 02/10/15 / 2015-10-02 08:03:57 / October 2, 2015 @ 8:03 am UTC/GMT. Unique identifier: pr15275006. Ids that are associated to the event: pr15275006. Exact location of earthquake, longitude -65.3981 West, latitude 18.0394 North, depth = 19 km. The temblor was detected at 04:03:57 / 4:03 am (local time epicenter).

Nearest cities/city/villages to epicentrum/hypocenter was Saint Croix, Guayama, Trujillo Alto (min 5000 pop). Epicenter of the event was 70 km (44 miles) from Carolina (c. 170 400 pop), 72 km (45 miles) from Caguas (c. 86 800 pop), 73 km (46 miles) from Trujillo Alto (c. 54 200 pop), 77 km (48 miles) from Saint Croix (c. 50 600 pop), 42 km (26 miles) from Fajardo (c. 34 100 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop) (That might be effected).

Every year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days eleven, in the past 30 days twenty and in the last 365 days one hundred and twenty-five earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 9 km SE of Esperanza, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -65.3981° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.0394° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19 km Depth of the event in kilometers.
Place 9km SE of Esperanza, Puerto Rico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-02 08:03:57 Time when the event occurred. UTC/GMT
Updated 2015-10-02 11:44:29 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status REVIEWED Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 121 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pr The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pr, A comma-separated list of network contributors.
Number of Stations Used 6 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.15720517 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 165.6 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pr15275006 Id of event.
Event Code 15275006 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15275006, A comma-separated list of event ids that are associated to an event.

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